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Application filed by Venjamin V Antonov, Alexandr P Krivenko, Adelaida L Kurbatova, Viktor M Cervonenko, Jevgenij D Stepa, Alexej S Kornienko, Pavel A KadybafiledCriticalVenjamin V Antonov
Priority to CS81766ApriorityCriticalpatent/CS235939B1/en
Publication of CS76681A1publicationCriticalpatent/CS76681A1/en
Publication of CS235939B1publicationCriticalpatent/CS235939B1/en